Genuine OEM Volkswagen Cylinder Head With Valves, part number 036103264C. This cylinder head is a fundamental engine component that houses the valves, controlling the intake and exhaust of gases during the combustion cycle. It is part of the engine assembly. Genuine OEM cylinder heads are manufactured to exact tolerances for sealing, valve seating, and coolant/oil passages, ensuring proper compression, heat dissipation, and long engine life.